code: def sinh(x):
      """Elementwise hyperbolic sine function.
  
      .. math::
         y_i = \\sinh x_i.
  
      Args:
          x (:class:`~chainer.Variable` or :ref:`ndarray`): Input variable.
  
      Returns:
          ~chainer.Variable: Output variable.
      """
      return Sinh().apply((x,))[0]
  
file_path: chainer/chainer/functions/math/hyperbolic.py
imports: from chainer import backend
  from chainer import function_node
  from chainer import utils
  from chainer.utils import type_check
label_desc: Use image node_id 2 for calling a global function with example usage: sinh(x) and returns: Sinh